Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867629 | Dusttight storage cabinet apparatus for use in clean rooms | Yoshiyuki Iwasawa, Tsutomu Ishida, Hiroshi Harada, Kenji Okamoto, Shintaro Kobayashi +4 more | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867629 | Dusttight storage cabinet apparatus for use in clean rooms | Yoshiyuki Iwasawa, Tsutomu Ishida, Hiroshi Harada, Kenji Okamoto, Shintaro Kobayashi +4 more | 1989-09-19 |